gl/includes/db/gl_db_bank_trans.inc

   1 <?php
   2 /**********************************************************************
   3     Copyright (C) FrontAccounting, LLC.
   4         Released under the terms of the GNU General Public License, GPL,
   5         as published by the Free Software Foundation, either version 3
   6         of the License, or (at your option) any later version.
   7     This program is distributed in the hope that it will be useful,
   8     but WITHOUT ANY WARRANTY; without even the implied warranty of
   9     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  10     See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
  11 ***********************************************************************/
  12 //----------------------------------------------------------------------------------
  13
  14 // add a bank transaction
  15 // $amount is in $currency
  16 // $date_ is display date (non-sql)
  17
  18 function add_bank_trans($type, $trans_no, $bank_act, $ref, $date_,
  19         $amount, $person_type_id, $person_id, $currency="", $rate=0)
  20 {
  21         $sqlDate = date2sql($date_);
  22
  23         // convert $amount to the bank's currency
  24         if ($currency != "")
  25         {
  26         $bank_account_currency = get_bank_account_currency($bank_act);
  27         if ($rate == 0)
  28                 $to_bank_currency = get_exchange_rate_from_to($currency, $bank_account_currency, $date_);
  29         else
  30                 $to_bank_currency = 1 / $rate;
  31         $amount_bank = ($amount / $to_bank_currency);
  32         }
  33         else
  34                 $amount_bank = $amount;
  35         $amount_bank = round2($amount_bank, user_price_dec());
  36
  37         $sql = "INSERT INTO ".TB_PREF."bank_trans (type, trans_no, bank_act, ref,
  38                 trans_date, amount, person_type_id, person_id) ";
  39
  40         $sql .= "VALUES ($type, $trans_no, '$bank_act', ".db_escape($ref).", '$sqlDate',
  41                 ".db_escape($amount_bank).", ".db_escape($person_type_id)
  42                 .", ". db_escape($person_id).")";
  43
  44         db_query($sql, "The bank transaction could not be inserted");
  45 }
  46
  47 //----------------------------------------------------------------------------------------
  48
  49 function exists_bank_trans($type, $type_no)
  50 {
  51         $sql = "SELECT trans_no
  52                 FROM ".TB_PREF."bank_trans
  53                 WHERE type=".db_escape($type)
  54                 ." AND trans_no=".db_escape($type_no);
  55         $result = db_query($sql, "Cannot retreive a bank transaction");
  56
  57     return (db_num_rows($result) > 0);
  58 }
  59
  60 //----------------------------------------------------------------------------------------
  61
  62 function get_bank_trans($type, $trans_no=null, $person_type_id=null, $person_id=null)
  63 {
  64         $sql = "SELECT bt.*, act.*,
  65                 IFNULL(abs(dt.ov_amount), IFNULL(ABS(st.ov_amount), bt.amount)) settled_amount,
  66                 IFNULL(abs(dt.ov_amount/bt.amount), IFNULL(ABS(st.ov_amount/bt.amount), 1)) settle_rate,
  67                 IFNULL(debtor.curr_code, IFNULL(supplier.curr_code, act.bank_curr_code)) settle_curr
  68
  69                 FROM ".TB_PREF."bank_trans bt
  70                                  LEFT JOIN ".TB_PREF."debtor_trans dt ON dt.type=bt.type AND dt.trans_no=bt.trans_no
  71                                  LEFT JOIN ".TB_PREF."debtors_master debtor ON debtor.debtor_no = dt.debtor_no
  72                                  LEFT JOIN ".TB_PREF."supp_trans st ON st.type=bt.type AND st.trans_no=bt.trans_no
  73                                  LEFT JOIN ".TB_PREF."suppliers supplier ON supplier.supplier_id = st.supplier_id,
  74                          ".TB_PREF."bank_accounts act
  75                 WHERE act.id=bt.bank_act ";
  76         if (isset($type))
  77                 $sql .= " AND bt.type=".db_escape($type);
  78         if (isset($trans_no))
  79                 $sql .= " AND bt.trans_no = ".db_escape($trans_no);
  80         if (isset($person_type_id))
  81                 $sql .= " AND bt.person_type_id = ".db_escape($person_type_id);
  82         if (isset($person_id))
  83                 $sql .= " AND bt.person_id = ".db_escape($person_id);
  84         $sql .= " ORDER BY trans_date, bt.id";
  85
  86         return db_query($sql, "query for bank transaction");
  87 }
  88
  89 //----------------------------------------------------------------------------------------
  90
  91 function get_bank_trans_for_bank_account($bank_account, $from, $to)
  92 {
  93         $from = date2sql($from);
  94         $to = date2sql($to);
  95         $sql = "SELECT t.*
  96                 FROM ".TB_PREF."bank_trans t
  97                         LEFT JOIN ".TB_PREF."voided v ON t.type=v.type AND t.trans_no=v.id
  98                 WHERE t.bank_act = ".db_escape($bank_account) . "
  99                         AND ISNULL(v.date_)
 100                         AND trans_date >= '$from'
 101                         AND trans_date <= '$to'
 102                         AND amount != 0
 103                 ORDER BY trans_date, t.id";
 104
 105         return db_query($sql,"The transactions for '" . $bank_account . "' could not be retrieved");
 106 }
 107
 108 //----------------------------------------------------------------------------------------
 109
 110 function get_balance_before_for_bank_account($bank_account, $from)
 111 {
 112         $from = date2sql($from);
 113         $sql = "SELECT SUM(amount)
 114                 FROM ".TB_PREF."bank_trans
 115                 WHERE bank_act=".db_escape($bank_account) . "
 116                         AND trans_date < '$from'";
 117         $before_qty = db_query($sql, "The starting balance on hand could not be calculated");
 118         $bfw_row = db_fetch_row($before_qty);
 119         return $bfw_row[0];
 120 }
 121 //----------------------------------------------------------------------------------------
 122
 123 function get_gl_trans_value($account, $type, $trans_no)
 124 {
 125         $sql = "SELECT SUM(amount)
 126                 FROM ".TB_PREF."gl_trans
 127                 WHERE account=".db_escape($account)
 128                         ." AND type=".db_escape($type)
 129                         ." AND type_no=".db_escape($trans_no);
 130
 131         $result = db_query($sql, "query for gl trans value");
 132
 133         $row = db_fetch_row($result);
 134         return $row[0];
 135 }
 136
 137 //----------------------------------------------------------------------------------------
 138
 139 function void_bank_trans($type, $type_no, $nested=false)
 140 {
 141
 142         if (!$nested)
 143                 begin_transaction();
 144
 145         $sql = "UPDATE ".TB_PREF."bank_trans
 146                         SET amount=0
 147                         WHERE type=".db_escape($type)." AND trans_no=".db_escape($type_no);
 148
 149         db_query($sql, "could not void bank transactions for type=$type and trans_no=$type_no");
 150
 151         void_gl_trans($type, $type_no, true);
 152
 153         // in case it's a customer trans - probably better to check first
 154         void_cust_allocations($type, $type_no);
 155         void_customer_trans($type, $type_no);
 156
 157         // in case it's a supplier trans - probably better to check first
 158         void_supp_allocations($type, $type_no);
 159         void_supp_trans($type, $type_no);
 160
 161         void_trans_tax_details($type, $type_no);
 162
 163         if (!$nested)
 164                 commit_transaction();
 165 }
 166
 167 /**
 168 *       Check account history to find transaction which would exceed authorized overdraft for given account.
 169 *       Returns null or transaction in conflict. Running balance is checked on daily basis only, to enable ID change after edition.
 170 *       $delta_amount - tested change in bank balance at $date.
 171 **/
 172 function check_bank_account_history($delta_amount, $bank_account, $date=null, $user=null, $balance_offset = 0)
 173 {
 174         if ($delta_amount >= 0 && isset($date))
 175                  return null;   // amount increase is always safe
 176
 177         $balance = $date ? get_bank_account_limit($bank_account, $date, $user) : 0;
 178
 179         if (!isset($balance) && isset($date))
 180                 return null;    // unlimited account
 181
 182         $balance += $balance_offset;
 183         if (floatcmp($balance, -$delta_amount) < 0)
 184                 return array('amount' => $balance + $delta_amount, 'trans_date'=> date2sql($date));
 185
 186         $balance += $delta_amount;
 187
 188         $sql = "SELECT sum(amount) as amount, trans_date, trans_no, type
 189                         FROM ".TB_PREF."bank_trans
 190                         WHERE bank_act=".db_escape($bank_account);
 191         if ($date)
 192         {
 193                 $date = date2sql($date);
 194                 $sql .= " AND trans_date > '$date'";
 195         }
 196         $sql .= " GROUP BY trans_date ORDER BY trans_date ASC";
 197
 198         $history = db_query($sql, "cannot retrieve cash account history");
 199
 200         while ($trans = db_fetch($history)) {
 201                 $balance += $trans['amount'];
 202                 if (round2($balance, user_price_dec()) < 0)
 203                 {
 204                         $trans['amount'] = $balance;
 205                         return $trans;
 206                 }
 207         }
 208
 209         return null;
 210 }
 211
 212 /**
 213 *       Check bank transfer, deposit or customer deposit before voiding.
 214 **/
 215 function check_void_bank_trans($type, $type_no)
 216 {
 217         $moves = get_bank_trans($type, $type_no);
 218         while ($trans = db_fetch($moves)) {
 219                 if ($trans['amount'] > 0) { // skip transfer input part
 220                         return check_bank_account_history(-$trans['amount'], $trans['bank_act'], sql2date($trans['trans_date'])) == null;
 221                 }
 222         }
 223         return true;
 224 }
 225